From 23fa18eaa71266feff7ba8d83022d9e1cc83c65a Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:42:03 +0000
Subject: [PATCH] disable pwm7
---
kernel/sound/soc/codecs/rt5514-spi.c | 73 +++++++++++++++++-------------------
1 files changed, 35 insertions(+), 38 deletions(-)
diff --git a/kernel/sound/soc/codecs/rt5514-spi.c b/kernel/sound/soc/codecs/rt5514-spi.c
index cdb1f40..1a25a37 100644
--- a/kernel/sound/soc/codecs/rt5514-spi.c
+++ b/kernel/sound/soc/codecs/rt5514-spi.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* rt5514-spi.c -- RT5514 SPI driver
*
* Copyright 2015 Realtek Semiconductor Corp.
* Author: Oder Chiou <oder_chiou@realtek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/module.h>
@@ -91,6 +88,14 @@
runtime = rt5514_dsp->substream->runtime;
period_bytes = snd_pcm_lib_period_bytes(rt5514_dsp->substream);
+ if (!period_bytes) {
+ schedule_delayed_work(&rt5514_dsp->copy_work, 5);
+ goto done;
+ }
+
+ if (rt5514_dsp->buf_size % period_bytes)
+ rt5514_dsp->buf_size = (rt5514_dsp->buf_size / period_bytes) *
+ period_bytes;
if (rt5514_dsp->get_size >= rt5514_dsp->buf_size) {
rt5514_spi_burst_read(RT5514_BUFFER_VOICE_WP, (u8 *)&buf,
@@ -149,13 +154,11 @@
static void rt5514_schedule_copy(struct rt5514_dsp *rt5514_dsp)
{
- size_t period_bytes;
u8 buf[8];
if (!rt5514_dsp->substream)
return;
- period_bytes = snd_pcm_lib_period_bytes(rt5514_dsp->substream);
rt5514_dsp->get_size = 0;
/**
@@ -183,10 +186,6 @@
rt5514_dsp->buf_size = rt5514_dsp->buf_limit - rt5514_dsp->buf_base;
- if (rt5514_dsp->buf_size % period_bytes)
- rt5514_dsp->buf_size = (rt5514_dsp->buf_size / period_bytes) *
- period_bytes;
-
if (rt5514_dsp->buf_base && rt5514_dsp->buf_limit &&
rt5514_dsp->buf_rp && rt5514_dsp->buf_size)
schedule_delayed_work(&rt5514_dsp->copy_work, 0);
@@ -202,26 +201,23 @@
}
/* PCM for streaming audio from the DSP buffer */
-static int rt5514_spi_pcm_open(struct snd_pcm_substream *substream)
+static int rt5514_spi_pcm_open(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
snd_soc_set_runtime_hwparams(substream, &rt5514_spi_pcm_hardware);
return 0;
}
-static int rt5514_spi_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
+static int rt5514_spi_hw_params(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct rt5514_dsp *rt5514_dsp =
snd_soc_component_get_drvdata(component);
- int ret;
u8 buf[8];
mutex_lock(&rt5514_dsp->dma_lock);
- ret = snd_pcm_lib_alloc_vmalloc_buffer(substream,
- params_buffer_bytes(hw_params));
rt5514_dsp->substream = substream;
rt5514_dsp->dma_offset = 0;
@@ -232,13 +228,12 @@
mutex_unlock(&rt5514_dsp->dma_lock);
- return ret;
+ return 0;
}
-static int rt5514_spi_hw_free(struct snd_pcm_substream *substream)
+static int rt5514_spi_hw_free(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct rt5514_dsp *rt5514_dsp =
snd_soc_component_get_drvdata(component);
@@ -248,28 +243,20 @@
cancel_delayed_work_sync(&rt5514_dsp->copy_work);
- return snd_pcm_lib_free_vmalloc_buffer(substream);
+ return 0;
}
static snd_pcm_uframes_t rt5514_spi_pcm_pointer(
+ struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct rt5514_dsp *rt5514_dsp =
snd_soc_component_get_drvdata(component);
return bytes_to_frames(runtime, rt5514_dsp->dma_offset);
}
-static const struct snd_pcm_ops rt5514_spi_pcm_ops = {
- .open = rt5514_spi_pcm_open,
- .hw_params = rt5514_spi_hw_params,
- .hw_free = rt5514_spi_hw_free,
- .pointer = rt5514_spi_pcm_pointer,
- .page = snd_pcm_lib_get_vmalloc_page,
-};
static int rt5514_spi_pcm_probe(struct snd_soc_component *component)
{
@@ -302,10 +289,22 @@
return 0;
}
+static int rt5514_spi_pcm_new(struct snd_soc_component *component,
+ struct snd_soc_pcm_runtime *rtd)
+{
+ snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_VMALLOC,
+ NULL, 0, 0);
+ return 0;
+}
+
static const struct snd_soc_component_driver rt5514_spi_component = {
- .name = DRV_NAME,
- .probe = rt5514_spi_pcm_probe,
- .ops = &rt5514_spi_pcm_ops,
+ .name = DRV_NAME,
+ .probe = rt5514_spi_pcm_probe,
+ .open = rt5514_spi_pcm_open,
+ .hw_params = rt5514_spi_hw_params,
+ .hw_free = rt5514_spi_hw_free,
+ .pointer = rt5514_spi_pcm_pointer,
+ .pcm_construct = rt5514_spi_pcm_new,
};
/**
@@ -471,9 +470,7 @@
static int __maybe_unused rt5514_resume(struct device *dev)
{
- struct snd_soc_component *component = snd_soc_lookup_component(dev, DRV_NAME);
- struct rt5514_dsp *rt5514_dsp =
- snd_soc_component_get_drvdata(component);
+ struct rt5514_dsp *rt5514_dsp = dev_get_drvdata(dev);
int irq = to_spi_device(dev)->irq;
u8 buf[8];
--
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